Does anyone have a mapping of the vacuum lines for an 84 El Camino with a 305? My version has a charcoal can with 2 lines only. I'd like to see where all the vacuum lines go from the motor to the various places. Like that big round ball on the passenger side where the ac and heater core box is. I did a search and could not find it. I'd like to verify my vacuum hoses are all in order. Thanks in advance.